diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index a5a42fc..eb05cda 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -1965,7 +1965,7 @@
 	assert(type != NULL && type->tp_alloc != NULL);
 
 	if (not_yet_string == NULL) {
-		not_yet_string = PyString_FromString("<uninitialized file>");
+		not_yet_string = PyString_InternFromString("<uninitialized file>");
 		if (not_yet_string == NULL)
 			return NULL;
 	}